<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<!-- NewPage -->
<html lang="en">
<head>
<meta http-equiv="Content-Type" content="text/html" charset="iso-8859-1">
<title>org.apache.commons.logging.impl (Apache Commons Logging 1.2 API)</title>
<link rel="stylesheet" type="text/css" href="../../../../../stylesheet.css" title="Style">
</head>
<body>
<script type="text/javascript"><!--
    if (location.href.indexOf('is-external=true') == -1) {
        parent.document.title="org.apache.commons.logging.impl (Apache Commons Logging 1.2 API)";
    }
//-->
</script>
<noscript>
<div>JavaScript is disabled on your browser.</div>
</noscript>
<!-- ========= START OF TOP NAVBAR ======= -->
<div class="topNav"><a name="navbar_top">
<!--   -->
</a><a href="#skip-navbar_top" title="Skip navigation links"></a><a name="navbar_top_firstrow">
<!--   -->
</a>
<ul class="navList" title="Navigation">
<li><a href="../../../../../overview-summary.html">Overview</a></li>
<li class="navBarCell1Rev">Package</li>
<li>Class</li>
<li><a href="package-use.html">Use</a></li>
<li><a href="package-tree.html">Tree</a></li>
<li><a href="../../../../../deprecated-list.html">Deprecated</a></li>
<li><a href="../../../../../index-all.html">Index</a></li>
<li><a href="../../../../../help-doc.html">Help</a></li>
</ul>
</div>
<div class="subNav">
<ul class="navList">
<li><a href="../../../../../org/apache/commons/logging/package-summary.html">Prev Package</a></li>
<li>Next Package</li>
</ul>
<ul class="navList">
<li><a href="../../../../../index.html?org/apache/commons/logging/impl/package-summary.html" target="_top">Frames</a></li>
<li><a href="package-summary.html" target="_top">No Frames</a></li>
</ul>
<ul class="navList" id="allclasses_navbar_top">
<li><a href="../../../../../allclasses-noframe.html">All Classes</a></li>
</ul>
<div>
<script type="text/javascript"><!--
  allClassesLink = document.getElementById("allclasses_navbar_top");
  if(window==top) {
    allClassesLink.style.display = "block";
  }
  else {
    allClassesLink.style.display = "none";
  }
  //-->
</script>
</div>
<a name="skip-navbar_top">
<!--   -->
</a></div>
<!-- ========= END OF TOP NAVBAR ========= -->
<div class="header">
<h1 title="Package" class="title">Package&nbsp;org.apache.commons.logging.impl</h1>
<div class="docSummary">
<div class="block">Concrete implementations of commons-logging wrapper APIs.</div>
</div>
<p>See:&nbsp;<a href="#package_description">Description</a></p>
</div>
<div class="contentContainer">
<ul class="blockList">
<li class="blockList">
<table class="packageSummary" border="0" cellpadding="3" cellspacing="0" summary="Class Summary table, listing classes, and an explanation">
<caption><span>Class Summary</span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colFirst" scope="col">Class</th>
<th class="colLast" scope="col">Description</th>
</tr>
<tbody>
<tr class="altColor">
<td class="colFirst"><a href="../../../../../org/apache/commons/logging/impl/AvalonLogger.html" title="class in org.apache.commons.logging.impl">AvalonLogger</a></td>
<td class="colLast">
<div class="block">Implementation of commons-logging Log interface that delegates all
 logging calls to the Avalon logging abstraction: the Logger interface.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><a href="../../../../../org/apache/commons/logging/impl/Jdk13LumberjackLogger.html" title="class in org.apache.commons.logging.impl">Jdk13LumberjackLogger</a></td>
<td class="colLast">
<div class="block">Implementation of the <code>org.apache.commons.logging.Log</code>
 interface that wraps the standard JDK logging mechanisms that are
 available in SourceForge's Lumberjack for JDKs prior to 1.4.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><a href="../../../../../org/apache/commons/logging/impl/Jdk14Logger.html" title="class in org.apache.commons.logging.impl">Jdk14Logger</a></td>
<td class="colLast">
<div class="block">Implementation of the <code>org.apache.commons.logging.Log</code>
 interface that wraps the standard JDK logging mechanisms that were
 introduced in the Merlin release (JDK 1.4).</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><a href="../../../../../org/apache/commons/logging/impl/Log4JLogger.html" title="class in org.apache.commons.logging.impl">Log4JLogger</a></td>
<td class="colLast">
<div class="block">Implementation of <a href="../../../../../org/apache/commons/logging/Log.html" title="interface in org.apache.commons.logging"><code>Log</code></a> that maps directly to a
 <strong>Logger</strong> for log4J version 1.2.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><a href="../../../../../org/apache/commons/logging/impl/LogFactoryImpl.html" title="class in org.apache.commons.logging.impl">LogFactoryImpl</a></td>
<td class="colLast">
<div class="block">Concrete subclass of <a href="../../../../../org/apache/commons/logging/LogFactory.html" title="class in org.apache.commons.logging"><code>LogFactory</code></a> that implements the
 following algorithm to dynamically select a logging implementation
 class to instantiate a wrapper for:
 
 Use a factory configuration attribute named
     <code>org.apache.commons.logging.Log</code> to identify the
     requested implementation class.
 Use the <code>org.apache.commons.logging.Log</code> system property
     to identify the requested implementation class.
 If <em>Log4J</em> is available, return an instance of
     <code>org.apache.commons.logging.impl.Log4JLogger</code>.
 If <em>JDK 1.4 or later</em> is available, return an instance of
     <code>org.apache.commons.logging.impl.Jdk14Logger</code>.
 Otherwise, return an instance of
     <code>org.apache.commons.logging.impl.SimpleLog</code>.
 </div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><a href="../../../../../org/apache/commons/logging/impl/LogKitLogger.html" title="class in org.apache.commons.logging.impl">LogKitLogger</a></td>
<td class="colLast">
<div class="block">Implementation of <code>org.apache.commons.logging.Log</code>
 that wraps the <a href="http://avalon.apache.org/logkit/">avalon-logkit</a>
 logging system.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><a href="../../../../../org/apache/commons/logging/impl/NoOpLog.html" title="class in org.apache.commons.logging.impl">NoOpLog</a></td>
<td class="colLast">
<div class="block">Trivial implementation of Log that throws away all messages.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><a href="../../../../../org/apache/commons/logging/impl/ServletContextCleaner.html" title="class in org.apache.commons.logging.impl">ServletContextCleaner</a></td>
<td class="colLast">
<div class="block">This class is capable of receiving notifications about the undeployment of
 a webapp, and responds by ensuring that commons-logging releases all
 memory associated with the undeployed webapp.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><a href="../../../../../org/apache/commons/logging/impl/SimpleLog.html" title="class in org.apache.commons.logging.impl">SimpleLog</a></td>
<td class="colLast">
<div class="block">Simple implementation of Log that sends all enabled log messages,
 for all defined loggers, to System.err.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><a href="../../../../../org/apache/commons/logging/impl/WeakHashtable.html" title="class in org.apache.commons.logging.impl">WeakHashtable</a></td>
<td class="colLast">
<div class="block">Implementation of <code>Hashtable</code> that uses <code>WeakReference</code>'s
 to hold its keys thus allowing them to be reclaimed by the garbage collector.</div>
</td>
</tr>
</tbody>
</table>
</li>
</ul>
<a name="package_description">
<!--   -->
</a>
<h2 title="Package org.apache.commons.logging.impl Description">Package org.apache.commons.logging.impl Description</h2>
<div class="block"><p>Concrete implementations of commons-logging wrapper APIs.</p></div>
</div>
<!-- ======= START OF BOTTOM NAVBAR ====== -->
<div class="bottomNav"><a name="navbar_bottom">
<!--   -->
</a><a href="#skip-navbar_bottom" title="Skip navigation links"></a><a name="navbar_bottom_firstrow">
<!--   -->
</a>
<ul class="navList" title="Navigation">
<li><a href="../../../../../overview-summary.html">Overview</a></li>
<li class="navBarCell1Rev">Package</li>
<li>Class</li>
<li><a href="package-use.html">Use</a></li>
<li><a href="package-tree.html">Tree</a></li>
<li><a href="../../../../../deprecated-list.html">Deprecated</a></li>
<li><a href="../../../../../index-all.html">Index</a></li>
<li><a href="../../../../../help-doc.html">Help</a></li>
</ul>
</div>
<div class="subNav">
<ul class="navList">
<li><a href="../../../../../org/apache/commons/logging/package-summary.html">Prev Package</a></li>
<li>Next Package</li>
</ul>
<ul class="navList">
<li><a href="../../../../../index.html?org/apache/commons/logging/impl/package-summary.html" target="_top">Frames</a></li>
<li><a href="package-summary.html" target="_top">No Frames</a></li>
</ul>
<ul class="navList" id="allclasses_navbar_bottom">
<li><a href="../../../../../allclasses-noframe.html">All Classes</a></li>
</ul>
<div>
<script type="text/javascript"><!--
  allClassesLink = document.getElementById("allclasses_navbar_bottom");
  if(window==top) {
    allClassesLink.style.display = "block";
  }
  else {
    allClassesLink.style.display = "none";
  }
  //-->
</script>
</div>
<a name="skip-navbar_bottom">
<!--   -->
</a></div>
<!-- ======== END OF BOTTOM NAVBAR ======= -->
<p class="legalCopy"><small>Copyright &#169; 2001&#x2013;2014 <a href="http://www.apache.org/">The Apache Software Foundation</a>. All rights reserved.</small></p>
</body>
</html>
